WALPHA ENGINEERING constructs Electromagnetic & Mechanical Clutches and Clutch Plates for Machine Tool application. WALPHA ENGINEERING offers ELECTROMAGNETIC BRAKES & ELECTRO HYDRAULIC THRUSTER BRAKES are suitable for AC supply up to 400 to 440 volts, and are available for a wide range of Drum sizes from 100mm to 380mm diameter. These Brakes are available with a rated torque ranging from 200 Kg cm for the smallest Brake [100 mm diameter] up to 6900 Kg cm for a 380 mm diameter at 50 % coil rating i.E. The coil remains in circuit for a maximum of 5 min out of every 10 min.
These brakes are conventionally termed as single phase Electromagnetic brakes although they are to be operated on 2 phase. 3 phase brakes are also available where a higher torque is desired. When specified, Brake Drum or Brake Drum coupling both PIN BUSH type and FLEXIBLE GEARED type can be supplied along with the Brakes.